83977384 has 16 divisors (see below), whose sum is σ = 157569300. Its totient is φ = 41958912.

The previous prime is 83977381. The next prime is 83977429. The reversal of 83977384 is 48377938.

It can be written as a sum of positive squares in 2 ways, for example, as 78322500 + 5654884 = 8850^2 + 2378^2 .

It is not an unprimeable number, because it can be changed into a prime (83977381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12334 + ... + 17890.

Almost surely, 2^83977384 is an apocalyptic number.

It is an amenable number.

83977384 is a deficient number, since it is larger than the sum of its proper divisors (73591916).

83977384 is a wasteful number, since it uses less digits than its factorization.

83977384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7452 (or 7448 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 83977384 is about 9163.9175029023. The cubic root of 83977384 is about 437.9126060145.

The spelling of 83977384 in words is "eighty-three million, nine hundred seventy-seven thousand, three hundred eighty-four".